<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .main_contain{
            height: 400px;
            width: auto;
            background-color: pink;
        }
        .chose{

        }
        .chose_button{
            width: 70px;
        }
    </style>
</head>
<body>
    <div class="main_contain">
        <div class="link">
            <form action="">
                <div class="chose">
                    <input type="text"> 姓名
                </div>
                <div class="chose">
                    <input type=""> 年龄
                </div>
                <div class="chose">
                    <input type="text"> 性别
                </div>
                <div class="chose_button">
                    <input type="button"> 确认
                </div>
            </form>
        </div>
    </div>
</body>
</html>